EP2282906A1 - Chaîne cinématique hybride pour véhicule à moteur et procédé de fonctionnement de cette chaîne cinématique hybride - Google Patents

Chaîne cinématique hybride pour véhicule à moteur et procédé de fonctionnement de cette chaîne cinématique hybride

Info

Publication number
EP2282906A1
EP2282906A1 EP09761609A EP09761609A EP2282906A1 EP 2282906 A1 EP2282906 A1 EP 2282906A1 EP 09761609 A EP09761609 A EP 09761609A EP 09761609 A EP09761609 A EP 09761609A EP 2282906 A1 EP2282906 A1 EP 2282906A1
Authority
EP
European Patent Office
Prior art keywords
electric machine
transmission
gear
hybrid powertrain
zei
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP09761609A
Other languages
German (de)
English (en)
Inventor
Peter Ziemer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP2282906A1 publication Critical patent/EP2282906A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/44—Series-parallel type
    • B60K6/442—Series-parallel switching type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/30—Control strategies involving selection of transmission gear ratio
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K6/485—Motor-assist type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • B60K2006/268—Electric drive motor starts the engine, i.e. used as starter motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K2006/541—Transmission for changing ratio without reverse ratio using instead electric reversing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/421—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/423—Torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/06—Combustion engines, Gas turbines
    • B60W2710/0644—Engine speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/08—Electric propulsion units
    • B60W2710/081—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/08—Electric propulsion units
    • B60W2710/083—Torque
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
    • F16H3/126—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches using an electric drive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the present invention relates to a hybrid powertrain for a motor vehicle according to the preamble of claim 1. Furthermore, the invention relates to a method for operating the hybrid powertrain according to the invention.
  • hybrid vehicles comprising a hybrid transmission comprising a base transmission and a hybrid assembly, wherein the hybrid assembly generally replaces a hydrodynamic torque converter.
  • the hybrid assembly generally replaces a hydrodynamic torque converter.
  • they comprise at least one electric motor or one electrical machine, which can be operated by a motor or generator depending on the operating state.
  • a generator is driven by the internal combustion engine, with the generator supplying electric power to the electric motor driving the wheels.
  • parallel hybrid vehicles are known in which an addition of the torques of the internal combustion engine and at least one connectable to the internal combustion engine electric machine is preferably carried out by means of a Summ istsgethebes, for example by means of a planetary gear.
  • the at least one electric machine can be connected to the belt drive or to the crankshaft of the internal combustion engine.
  • the torques generated by the internal combustion engine and / or the at least one electric machine are transmitted to the driven axle via a downstream transmission.
  • so-called power split hybrid powertrains are known in which a power split takes place.
  • Such drive trains include, for example, an internal combustion engine, two electric motors, a simple planetary gear set and a differential.
  • the internal combustion engine only brings output torque or power to the road when an electric motor is operated as a generator and can therefore apply a counter-torque.
  • This generically generated electric power is passed directly to the other electric motor, which is operated as a drive motor and thereby accelerates the vehicle.
  • the vehicle has an auto-start-stop function and regenerative braking (i.e., recuperation) for charging the battery of the electric machine, which is not used to drive the vehicle.
  • regenerative braking i.e., recuperation
  • the combustion engine is supported by the electric machine to increase power (boost) or increase efficiency.
  • full hybrid vehicles are capable of being driven purely by electric motor, including starting and accelerating.
  • hybrid powertrains are preferably high-performance batteries, especially nickel-metal hybrid Battehen, which allow purely electric driving or fast charge and discharge double-layer capacitors with high power density.
  • the use of hybrid powertrains is intended to increase performance and comfort over existing powertrain systems and / or reduce fuel consumption and emissions.
  • hybrid powertrains Another disadvantage of hybrid powertrains is that the electric driving takes place by feeding previously fossil energy into the battery and subsequent removal, which is associated with significant losses.
  • the low energy density (about 5 Wh / kg) of the energy storage vehicle weight increases, which has a negative impact on consumption.
  • construction costs and the manufacturing and assembly costs of hybrid powertrains are high.
  • the present invention has for its object to provide a hybrid powertrain, which allows for increased performance and while maintaining the comfort of an automatic transmission, a reduction in fuel consumption and emissions and cheaper in terms of construction cost, weight and cost compared to the known hybrid-Anthebsstrnature.
  • Another object of the invention is to provide a method for operating the hybrid powertrain according to the invention.
  • a hybrid powertrain for a motor vehicle comprising an internal combustion engine, at least two electric machines, a preferably positive switchable multi-speed transmission with a transmission input shaft and a transmission output shaft, a switching operation, at least one electrical energy storage and control, power electronics and sensors, in which the internal combustion engine and the rotor of the first electric machine fixed or via a gear transmission or a chain or toothed belt drive together or individually connected to the transmission input shaft of the multi-gear transmission, wherein the transmission output shaft of the multi-gear transmission fixed or via a gear transmission or a chain or toothed belt drive with at least one wheel or a Differential of a first vehicle axle, preferably the front axle is connected. Furthermore, the rotor of the second electric machine is connected either to at least one wheel or a differential of the first vehicle axle or at least one wheel or a differential of a second vehicle axle fixed or via a gear transmission or a chain or toothed belt drive.
  • the multi-speed transmission is designed as a countershaft transmission;
  • the countershaft transmission may be the same or similar to a pull key or have unsynchronized jaw clutches.
  • the switching operation is preferably carried out by an electric motor.
  • an automatic gearshift also manual gear selection is possible.
  • unsynchronized jaw clutches may be provided in the multi-speed transmission on one or more gears.
  • synchronization devices can be provided on one or more gears.
  • the first electric machine may be arranged in front of the internal combustion engine, so that the internal combustion engine, viewed in the direction of flow of force, is arranged between the first electric machine and the transmission. It can also be provided that the first and / or the second electric machine can be disengaged via a switching element, preferably via a dog clutch, as a result of which the drag torques are further reduced.
  • the at least one energy store is preferably designed in the form of a double-layer capacitor.
  • a torsion damper In the context of an advantageous development of the invention can be arranged between the engine and the transmission input shaft, a torsion damper; Further, a third electric machine may be arranged on the first vehicle axle, wherein the third electric machine between a differential and a drive wheel and the second electric machine between the differential and the other drive wheel is arranged either fixed or via a gear transmission or a chain or toothed belt drive.
  • the internal combustion engine and the electric machines can be installed transversely to the direction of travel, as a result of which a considerable improvement in efficiency can be achieved by dispensing with a power diversion.
  • a third and the second or a fourth electric machine can be arranged on the second, preferably rear vehicle axle, wherein the rotor of the third electric machine with the one drive wheel and the rotor of the second or fourth electric machine is connected to the other drive wheel of the second vehicle axle, either fixed or via a gear transmission or a chain or toothed belt drive.
  • a torque vectoring hybrid is realized in which the shifting of torque from one wheel of the axle to the other wheel is made possible.
  • the countershaft transmission has a second transmission output shaft which is arranged parallel to the first transmission output shaft, as a result of which higher torques and / or shortening of the overall length can be achieved;
  • the torque transmission takes place via each of the transmission output shafts arranged spur gears, which mesh with a spur gear, which in turn is connected to a further output, for example with a differential.
  • the first gear as an enabler gear, d. H. be executed with torque limit.
  • the hydraulic and the hydraulic pump can be omitted if the switching operation for Gangeintial. Gang interpretation is carried out by electric motor.
  • the parking lock function is realized without an explicitly executed parking lock by engaging a gear in the manual transmission, wherein the release of this parking lock, d. H. the Gangauslegen done by means of a torque applied in mountain climbing to drive train relaxation by the second electric machine.
  • the internal combustion engine can be started in the course of a direct start by the first electric machine with a gear set;
  • the invention provides that the functions of electric starting, maneuvering and crawling forward and backward - making a reverse without an additional reverse gear can be realized - geared gear on the second electric machine can be realized which via the at least one electrical energy storage and / or the running in generator mode first electric machine is powered, which in turn is operated by the internal combustion engine as a generator.
  • driving on is continued by internal combustion engine or internal combustion engine with electrical assistance (boosting) by means of gangrene. insert realized in the manual transmission at synchronous speed between the transmission input shaft and a loose wheel arranged on this shaft.
  • starting or pulling up of the internal combustion engine while simultaneously starting forward when the first and / or second electric machine is in operation is possible by operating the first and / or second electric machine during engine operation, it being possible to continue driving by internal combustion engine or internal combustion engine with electric assistance with engaged gear; theoretically, in this way, an engine stalling with subsequent starting possible.
  • This procedure offers a high degree of spontaneity in that short-term energization of the second electric machine is possible during load transfer, wherein the magnitude of the torque can be determined, for example, via a driving resistance balance.
  • gear shifting in the manual transmission takes place in the no-load or almost no-load state by means of the actuation of an actuator in the case of load-high or load-return circuits.
  • the synchronous operation between the transmission input shaft and the idler gear of the higher or lower gear in the gearbox arranged on this transmission shaft can be accelerated by accelerating the transmission input shaft by an engine intervention on the internal combustion engine and / or by applying a torque through the first electric machine Generator or engine operation are produced, with low gear jumps favor a fast speed adjustment to the transmission input shaft and thus also on the crankshaft.
  • a fast speed adjustment is not necessarily required because the drive torque is provided to the drive axle during the circuit of the second electric machine.
  • the insertion of a new gear in the manual transmission at load high and load reversing can be done on the one hand at a slight differential speed between the transmission input shaft and arranged on this gear shaft idler gear of the new gear, for example by inserting a shift claw for meshing.
  • a new gear at a slight differential speed between the transmission input shaft and arranged on this gear shaft idler gear or complete synchronization can be engaged, the switching operation occurs exactly when both driving teeth are such that there is a tooth-tooth-gap position, whereby a meshing without frontally striking is possible.
  • the (combustion) engine brake can be switched off by gear shifting. Furthermore, a recuperation by generator operation of the first electric machine with engaged gear and / or allows the second electric machine, wherein in the event that recuperation is omitted, the energy storage can turn out smaller.
  • a sailing operation can be realized by Gangauslegen or by Gangauslegen followed by engine stop.
  • For vehicle braking or coasting to below a certain predetermined speed or for stopping the vehicle is proposed, when falling below a certain predetermined speed, switch back depending on the driving program and the engine speed or interpret the gear engaged; This is done analogously to the described procedure in the case of load-high or load-return circuits.
  • a vibration damping can be carried out by at least one electric machine.
  • At least one electric machine can also be used as a resolver.
  • the internal combustion engine can be used as a speed sensor, in particular in torsionally rigid connection to the transmission input shaft.
  • a directed, torsionally rigid connection between the engine and the transmission input shaft can be used to allow the ignition speed and angular position detection, whereby the insertion of a new gear is simplified.
  • the delivered electrical energy of an electric machine is used by the at least one further electric machine.
  • the burn The first electric machine brakes the internal combustion engine and generates power, which in turn drives the second electric machine, which takes over the load of the upshift, in this way, during an upshift less energy from the taken from electrical storage.
  • Figure 1 A schematic representation of an embodiment according to the invention of a hybrid powertrain for a motor vehicle
  • Figure 2 A schematic representation of a second embodiment according to the invention of a hybrid powertrain for a motor vehicle.
  • a hybrid-Avemhebsstrang comprising an internal combustion engine 1 in front - transverse construction, two electric machines 9, 1 1, a multi-course transmission 2, an electromotive shift actuator 3, as electrical energy storage double-layer capacitors 4, a controller 5 with Power electronics and speed sensors 6, 7 which are arranged in front of and behind the transmission 2.
  • the internal combustion engine 1 is connected via a torsion damper 8 to the first electric machine 9, which is connected in a rotationally fixed manner to the transmission input shaft 10 of the transmission 2.
  • the second electric machine according to the invention is connected via a spur gear 12 to the transmission output shaft 13 of the transmission 2.
  • the transmission output shaft 13 of the transmission 2 is connected via a spur gear 14 with a differential 15 for distributing the drive torque to the two front wheels 16, 17 of the motor vehicle.
  • first-gear short total ratio which may be 21.5, for example, creep speeds similar to the creep speeds of an off-road vehicle of less than 5 km / h at 1000 rpm can be achieved with a static tire rolling radius of 0.277m.
  • Typical values for the ratio jumps are: 1, 43 (1-2 speed), 1.40 (2-3 speed), 1.36 (3-4 speed), 1.32 (4-5 speed), 1.28 (5-6 speed), 1, 25 (6-7 speed), 1, 23 (7-8 speed), 1, 20 (8-9 speed) and 1, 19 (9-10 speed).
  • Typical values for the ratio jumps are: 1, 43 (1-2 speed), 1.40 (2-3 speed), 1.36 (3-4 speed), 1.32 (4-5 speed), 1.28 (5-6 speed), 1, 25 (6-7 speed), 1, 23 (7-8 speed), 1, 20 (8-9 speed) and 1, 19 (9-10 speed).
  • the drive train according to the invention can be expanded to a torque vectoring embodiment by the use of two electric machines 1 1, 18 in the form of a tandem electric machine on the rear axle of the vehicle, as illustrated by FIG. 2.
  • the second electric machine 1 1 is assigned to a wheel 21 of the rear axle and a transmission 19 with the Connected rear axle.
  • a third, also connected to the controller 5 electric machine 18 is provided, which is associated with the other wheel 22 of the rear axle and is connected via a gear 20 to the rear axle.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne une chaîne cinématique hybride de véhicule à moteur, comprenant un moteur à combustion interne (1), au moins deux moteurs électriques (9, 11), une boîte de vitesses à plusieurs rapports (2) comprenant un arbre d'entrée (10) et un arbre de sortie (13), une commande de passage de vitesses (3), au moins un accumulateur d'énergie électrique (4) ainsi qu'un système de commande (5), une électronique de puissance et un ensemble de capteurs (6, 7), le moteur à combustion interne (1) et le rotor du premier moteur électrique (9) étant reliés conjointement ou séparément à l'arbre d'entrée (10) de la boîte de vitesses à plusieurs rapports, par liaison directe ou par l'intermédiaire d'une transmission à pignons (14), d'une transmission à chaîne ou d'une transmission à courroie dentée, l'arbre de sortie (13) de la boîte de vitesses à plusieurs rapports étant relié par liaison directe ou par l'intermédiaire d'une transmission à pignons, d'une transmission à chaîne ou d'une transmission à courroie dentée, à au moins une roue ou un différentiel (15) d'un premier essieu du véhicule, et le rotor du second moteur électrique (11) étant relié par liaison directe ou par l'intermédiaire d'une transmission à pignons ou d'une transmission à chaîne ou à courroie dentée, soit à au moins une roue ou un différentiel (15) du premier essieu du véhicule, soit à au moins une roue ou un différentiel du second essieu du véhicule.
EP09761609A 2008-06-12 2009-05-27 Chaîne cinématique hybride pour véhicule à moteur et procédé de fonctionnement de cette chaîne cinématique hybride Withdrawn EP2282906A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008002381A DE102008002381A1 (de) 2008-06-12 2008-06-12 Hybridantriebsstrang für ein Kraftfahrzeug und Verfahren zum Betreiben des Hybridantriebsstrangs
PCT/EP2009/056422 WO2009150046A1 (fr) 2008-06-12 2009-05-27 Chaîne cinématique hybride pour véhicule à moteur et procédé de fonctionnement de cette chaîne cinématique hybride

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EP2282906A1 true EP2282906A1 (fr) 2011-02-16

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US (1) US20110098151A1 (fr)
EP (1) EP2282906A1 (fr)
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DE102008002381A1 (de) 2009-12-17
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